package com.hw.job_3;

public abstract class Package {

    // 每月资费
    private double month_charge;

    public Package(double month_charge) {
        setMonth_charge(month_charge);
    }

    // 显示资费信息
    public abstract void showInfo();

    public double getMonth_charge() {
        return month_charge;
    }

    public void setMonth_charge(double month_charge) {
        this.month_charge = month_charge;
    }
}
